Medium voltage drives

... wide voltage and power range for medium- voltage drives and the rapid development of the available power semiconductor devices, numerous different converter topologies have been developed for medium- voltage ... weak line supplies In Europe, low -voltage drives up to 690 V have become prevalent in this power range In the case of high rating drives from to 60 MVA, the output vo...

Ngày tải lên: 26/11/2015, 09:41

... Modular Multilevel Converter Based STATCOM Topology Suitable for · · · Fig Fig Circuit structure of the MMC based STATCOM and the way of its connection to the network to a medium- voltage ... sequence voltage and they don’t contain reactive power components Also the voltages at the PCC become harmonic free and balanced after Modular Multilevel Converter Based...

Ngày tải lên: 15/10/2013, 16:24

... possible to get the shortest path by searching for the upstream nodes based on the load flow in the normal healthy state If the shortest path from node A to the source is PathA, PathA can be described ... not exist, hut there is a node connected to the tie switch, then the nodes belong to class C If there exist nodes connected to neither the source nor the ti...

Ngày tải lên: 03/01/2014, 19:39

... Nước Mưa HEAT SHRINKABLE TERMINATION AND STRAIGHT JOINT Technical Specification For Medium Voltage Indoor Termination Test item D.C .voltage dry withstand,15min A.C voltage dry withstand, 5min ... For Medium Voltage Outdoor Termination Test item D.C voltage dry withstand,15min A.C voltage dry withstand,5min A.C voltage wet withstand,1min Partial discharge at a...

Ngày tải lên: 27/07/2014, 04:20

... information 20 E70 Voltage Supply and Bus Systems E70 Bus System Overview 21 E70 Voltage Supply and Bus Systems Legend for E70 Bus System Overview Index Explanation Index Explanation ACSM Advanced ... transmission Point to point bus topology 42 E70 Voltage Supply and Bus Systems Mixed Bus Topology Mixed bus topology caters for the use of different t...

Ngày tải lên: 19/10/2012, 13:48

... Biosynthesis of indole -3- acetic acid (a) Enterobacter sp DHM-1T (FJ74 530 0·1) Enterobacter sp R4M-Q (GQ478271·1) Pantoea agglomerans strain P29 (DQ3569 03 1) Pantoea agglomerans strain PVM (GU929212·1) Pantoea ... concerned with the IAA production potential of P agglomerans strain PVM, optimization of 1240 medium components and in vitro root induction...

Ngày tải lên: 06/08/2013, 21:06

... randomized tdma scheduling for wireless ad-hoc networks In MobiHoc, 2006 [17] M Sha, G Xing, G Zhou, and S Liu C-mac: Model-driven concurrent medium access control for wireless sensor networks Technical ... preamble mac protocol for duty-cycled wireless sensor networks In SenSys, 2006 [4] O Chipara, C Lu, and J Stankovic Dynamic conflict-free query scheduling for...

Ngày tải lên: 01/09/2013, 15:23

... As for the system of UV irradiation, most conventional UV lamps are low pressure UV lamps (LPUV) while medium pressure UV lamps (MPUV) have also been used Previously, the application of LPUV was ... of LPUV, 0.9 log after 180 [mWs/cm2] of LPUV, and 0.4 log after 180 [mWs/cm2] of MPUV (ii) In samples after the exposure to LPUV or MPUV at the fluence of 180 and 600 [mWs/cm...

Ngày tải lên: 05/09/2013, 09:08

... Bull Malays Math Sci Soc 2006, 29(1), 33-42 [15] Das S S., Satapathy A. , Das J K., Panda J P Mass transfer effects on MHD flow and heat transfer past a vertical porous plate through a porous medium ... 927-941 [9] Sattar M A Free convection and mass transfer flow through a porous medium past an infinite vertical porous plate with time depend...

Ngày tải lên: 05/09/2013, 14:58

... transfer to unsteady magneto-hydrodynamic flow past an infinite vertical moving plate with variable suction Das and his co-workers [16] estimated the mass transfer effects on unsteady flow past ... the variation of the flow parameters such as Prandtl number Pr, magnetic parameter M, permeability parameter Kp and heat source parameter S The variations in the temperatu...

Ngày tải lên: 05/09/2013, 16:10

... Supply Voltage Quiescent Circuit Current SYMBOL TEST CONDITIONS VCC ICC VIN=0 Stereo Closed Loop Voltage Gain Bridge Channel Balance DIP-8 SOP-8 Output Power( Stereo) DIP-8 SOP-8 Output Power (Bridge) ... CIRCUIT ABSOLUTE MAXIMUM RATINGS (Ta=25°C) PARAMETER Supply Voltage Output Peak Current SYMBOL VCC IO(peak) RATINGS UNIT 15 V A DIP-8 1.0 Power Dissipation PD W SOP-8 0.5 Operatin...

Ngày tải lên: 12/09/2013, 10:00

... pin Press SW28 to input a lowlevel voltage to the ADTRG pin; release it to input a high-level voltage to the ADTRG pin • Convert the analog voltage input to the AN4 pin from analog to digital ... to the ADTRG pin A/D conversion can also be started by an instruction The analog voltage input in the selected analog input pin is converted into 10-bit binary data using th...

Ngày tải lên: 29/09/2013, 11:20

... is operated to enable analog output, data in the DADR are D/A converted and analog voltages are always output from the analog output pin Output continues unless analog output is disabled If the ... converter output voltage can control the brightness of the LED The higher the output voltage, the brighter the LED glows; the lower the output voltage, the dimmer the LED...

Ngày tải lên: 29/09/2013, 11:20

... FS-IGBT and the new IGBT for MERS are shown in Fig Low saturation voltage (1.54 V) at rated current was achieved, where the conventional IGBT with same rating has 2.10 V saturation voltage The FWD voltage ... IGBT for a magnetic energy recovery switch application,” IEEJ Transaction on Electronics, Information and Systems, vol 128, no 4, 2008 Y Onozawa, M Otsuki...

Ngày tải lên: 15/10/2013, 16:10

... Usuki, T Kitahara, R Shimada, ”Improved performance of induction motor using magnetic energy recovery switch , PCC Nagoya, 2007 [10] J .A Wiik, F Danang Wijaya, R Shimada, ”An innovative series ... induction generator , AIEE Trans pp 540-545, May 1935 [3] T Ahmed, O Noro, E Hiraki, M Nakaoka, ”Terminal Voltage Regulation Characteristics by Static Var Compensator for a Thr...

Ngày tải lên: 15/10/2013, 16:10